Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Mukwonago can be looked at to estimate when you can plant melampodium.

Planting Calendar for Melampodium

Frost tolerance for melampodium:	Not tolerant of frost.
When to plant:	After the last frost.

Since melampodium are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant melampodium in Mukwonago is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant melampodium and expect a good harvest is probably August. Any later than that and your melampodium may not have a chance to fully mature. You can get started a little bit earlier by starting your melampodium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Mukwonago. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for Mukwonago is an average the actual date of last frost will vary from year to year. Half of the time in Mukwonago you get surprised by a frost after April 15 so just be sure to be ready to cover your melampodium in the event of one of those late frosts.

USDA Zone Info for Mukwonago

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Mukwonago

You may be interested in your other planting guides for Mukwonago.